Finding the Fourth Proportional to 88,781.70, 122,521.05 and 48,495.09
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Solution
The fourth proportional to 88,781.70, 122,521.05 and 48,495.09 is: 66,924.48
Step by Step Solution
- Step 1: Write the proportion equation
88,781.70 : 122,521.05 = 48,495.09 : x - Step 2: Convert to fraction form
88,781.70/122,521.05 = 48,495.09/x - Step 3: Cross multiply
88,781.70x = 122,521.05 × 48,495.09 - Step 4: Simplify right side
88,781.70x = 5,941,669,346.64 - Step 5: Solve for x
x = 5,941,669,346.64/88,781.70 - Step 6: Final answer
x = 66,924.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.